89747870 has 16 divisors (see below), whose sum is σ = 161678160. Its totient is φ = 35869824.

The previous prime is 89747869. The next prime is 89747873. The reversal of 89747870 is 7874798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89747873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12641 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (10104885).

Almost surely, 2^89747870 is an apocalyptic number.

89747870 is a deficient number, since it is larger than the sum of its proper divisors (71930290).

89747870 is a wasteful number, since it uses less digits than its factorization.

89747870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 89747870 is about 9473.5352429808. The cubic root of 89747870 is about 447.7216030490.

The spelling of 89747870 in words is "eighty-nine million, seven hundred forty-seven thousand, eight hundred seventy".